How to Fix QuickBooks Error OLSU 1024?

Published Date: May 28, 2025   Updated Date: May 28, 2025

QuickBooks Error OLSU 1024 happens when QuickBooks Desktop cannot connect to your bank while creating or linking a bank account. This error is often caused by incorrect bank login details, outdated QuickBooks versions, incorrect bank feed settings, or connectivity issues like a firewall blocking the connection. Sometimes, the bank’s online services may be temporarily down, stopping QuickBooks from syncing.

To fix Error OLSU 1024, first check that your bank login details are correct. Next, update QuickBooks Desktop to the latest version, as older versions may not support new online banking protocols. Review your bank feed settings to make sure they are set up correctly. If the issue continues, clear your browser cache and adjust your firewall settings before trying to re-link your account. If needed, use the Verify and Rebuild tool to fix any data file problems affecting the connection. These steps should help resolve the error and restore your bank feed in QuickBooks Desktop.Below are 9 methods that can help you resolve the QuickBooks Error OLSU-1024 and restore smooth functionality.

Method 1: Repair QuickBooks Desktop

Fix damaged program files by repairing your QuickBooks installation using these steps:

  1. Press Windows+E (or click the Computer tab for Windows 8).
  2. Click “Uninstall or Change a Program.”
  3. Select QuickBooks and click “Uninstall/Change.”
  4. In the installation window, click “Next” and choose “Repair.”
  5. Click “Next,” then “Repair,” and finally “Finish.”

Method 2: Update QuickBooks Application

An outdated QuickBooks application can cause Error OLSU 1024. To fix this, update QuickBooks to the latest version by following these steps:

  1. Close your company file and QuickBooks.
  2. Click the Windows start button, search QuickBooks, and right-click the icon.
  3. Select “Run as Administrator.”
  4. In the No Company Open screen, go to the Help tab and click “Update QuickBooks Desktop.”
  5. In the Options tab, choose “Mark All” and click “Save.”
  6. In the Update Now tab, check “Reset Update” and click “Get Updates.”
  7. Once the download finishes, reopen QuickBooks and click “Install Now.”

Method 3: Update the Financial Institution Directory

The Financial Institution directory stores your banking information, and damage to it can cause Error OLSU-1024 in QuickBooks. To fix this, update the directory by following these steps:

  1. Go to C:\ProgramData\Intuit\QuickBooks 20XX\Components\OLB\branding\filist.
  2. Find the fidir.txt file and rename it to fidir.old.
  3. Download the latest Financial Institution Directory for your QuickBooks version:
    • US: 2020, 2019, 2018, 2017
    • Canada: 2020, 2019, 2018, 2017
  4. In the “Save As” window, choose Desktop as the location and click “Save.”
  5. After the download completes, close the window.
  6. Copy the downloaded fidir.txt file to the filist folder:
    • Right-click the fidir.txt file and select “Copy.”
    • Press Windows+E, go to C:\ProgramData\Intuit\QuickBooks 20XX\Components\OLB\branding\filist.
    • Right-click in the folder and select “Paste.”
  7. Open QuickBooks Desktop.

Method 4: Edit the fidir.txt Preferences

Editing the file’s properties can help avoid issues that cause Error OLSU-1024. Follow these steps to update the fidir.txt settings:

  1. Go to C:\ProgramData\Intuit\QuickBooks 20XX\Components\OLB\branding\filist and find the fidir.txt file.
  2. Right-click the file and select Properties.
  3. Check the “Read-only” box.
  4. Click OK.

Method 5: Perform a Clean Install of QuickBooks Desktop

A clean install can fix errors caused by corrupted or incomplete QuickBooks files. Follow these steps to reinstall QuickBooks properly:

  1. Uninstall QuickBooks from your system.
  2. Open “File Explorer” from the Start Menu.
  3. Go to the folder where your company file is located. Use these paths to find the files:
    • C:\ProgramData\Intuit\QuickBooks (year)
    • C:\Users(current user)\AppData\Local\Intuit\QuickBooks (year)
    • C:\Program Files\Intuit\QuickBooks (year)
    • 64-bit version: C:\Program Files (x86)\Intuit\QuickBooks (year)
  4. Right-click the folder and add “OLD” to the name to prevent it from opening.
  5. Reinstall QuickBooks.

Method 6: Automatically Update FIDIR in QuickBooks

Updating the Financial Institution Directory can help resolve bank feed issues. Follow these steps to automatically update FIDIR in QuickBooks:

  1. Open QuickBooks.
  2. Go to Banking > Bank Feeds > Bank Feed Center.
  3. Click the drop-down and select “Sync All for This Bank.”
  4. Click the Refresh button at the top.

Method 7: Rename and Download Latest FIDIR File

Follow these steps to rename your Financial Institution Directory file and download the latest version:

  1. Go to C:\ProgramData\Intuit\QuickBooks 20XX\Components\OLB\branding\filist.
  2. Right-click FiDiR.txt and rename it to FiDiR.txt.OLD.
  3. Visit the link for your QuickBooks version and copy all page content (Ctrl + A, then Ctrl + C).
  4. On your desktop, create a new text document and paste the content (Ctrl + V).
  5. Save the file and rename it to fidir.txt.
  6. Copy the file and paste it into the filist folder.
  7. Try setting up the account again.

Method 8: Use QuickBooks Tool Hub

The QuickBooks Tool Hub helps fix various errors, including banking issues. Follow these steps to download and install it:

  1. Open your browser and go to the official Intuit website.
  2. Download the QuickBooks Tool Hub installer.
  3. Choose a location to save the file, or use the default one.
  4. After the download finishes, go to the saved location.
  5. Double-click QuickBooksToolHub.exe to start installation.
  6. Follow the on-screen steps to install it.
  7. Once installed, open QuickBooks Tool Hub to access tools for fixing various errors, including banking issues.

Company File Issues

Use these tools to fix file access problems:

  • QuickBooks File Doctor
  • Quick Fix My File
  • QuickBooks PDF and Printer Repair Tool

Network Issues

Fix network or multi-user errors with:

  • QuickBooks Database Server Manager
  • QuickBooks Network Diagnostic Tool

Program Problems 

Solve freezing or slow performance using:

  • Quick Fix My Program

Installation Issues

Fix setup errors with:

  • QuickBooks Install Diagnostic Tool

Advanced Settings

Use this section to fix other issues or reset your QuickBooks password.

Method 9: Use Windows System File Checker

Running the System File Checker can resolve errors caused by corrupted system files. Follow these steps to run the scan:

  1. Press the Start button and type CMD.
  2. Right-click Command Prompt and choose Run as administrator.
  3. In the window, type SFC /scannow and press Enter.
  4. The scan will run and fix any system file errors.

What are the Prerequisites to Fix QuickBooks Error OLSU 1024?

  1. Active internet connection
  2. Latest version of QuickBooks Desktop
  3. Correct and up-to-date bank login credentials
  4. Backup of QuickBooks company file
  5. Firewall and antivirus settings allowing QuickBooks access
  6. Bank supports QuickBooks online banking features (Direct Connect/Web Connect)

How to Identify QuickBooks Error OLSU 1024?

  1. Error message: “OLSU 1024: Bank connection error.”
  2. Occurs during bank feed setup or transaction download.
  3. Affects linking or creating a bank account in QuickBooks Desktop.
  4. Prevents syncing bank transactions.

How to Prevent QuickBooks Error OLSU 1024?

To prevent QuickBooks Error OLSU 1024:

  1. Keep QuickBooks updated.
  2. Use correct bank login details.
  3. Configure bank feeds properly.
  4. Ensure a stable internet connection.
  5. Allow QuickBooks through firewall/antivirus.
  6. Backup your QuickBooks data.
  7. Verify bank compatibility with QuickBooks.

When Should You Seek Professional Help for QuickBooks Error OLSU 1024?

Seek professional help for QuickBooks Error OLSU 1024 if you’ve tried troubleshooting steps like verifying bank credentials, updating QuickBooks, and reconfiguring bank feeds but the error persists. If the issue is related to corrupted data files, complex firewall settings, or unresolved bank server issues, a professional can help diagnose and resolve these problems. Additionally, if you are unable to restore the bank connection or continue using QuickBooks efficiently, it’s best to consult a QuickBooks expert or support team to ensure the error is fixed without further complications.

Hire QuickBooks Error OLSU 1024 Resolution Services

Hiring professional resolution services for QuickBooks Error OLSU 1024 can save time and resolve issues quickly. Many choose this option due to lack of technical expertise or time constraints. DN Services offers reliable support, handling bank feed issues efficiently. Get in touch with us to fix QuickBooks Error by
+1-800-596-0806 or chat with experts.

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